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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1844580
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1844580
Title:
Screen tearing with AMD open source drivers and a high refresh rate
monitor
Status in linux package in Ubuntu:
Incomplete
Bug description:
i have the following issue:
If i use a monitor with a higher refresh rate then 60 then i will get nasty
screen tearing and flickering.
I have a monitor with 75 hz ,a amd rx 480 gpu with open source video drivers.
The work-around the issue that i found is to force the gpu power state to
high with the command echo high >
/sys/class/drm/card0/device/power_dpm_force_performance_level
In my opinion this should be a High importance because it will offer a pour
experience when for every user that it's using open source drivers and a high
refresh monitor
Tested on Ubuntu and Ubuntu Mate 18.04.x ,19.04 and 19.10 daily.
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